UI – Fix bug with line breaks in example command

[jacobshandling]

Addresses #14970

Command fails for correct reason (no real path provided), instead of reading it as multiple commands due to line breaks:

• Changes file added for user-visible changes in changes/
• Manual QA for all new/changed functionality

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (bd9236b) 67.07% compared to head (6ecb6fd) 67.01%.
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #15331      +/-   ##
==========================================
- Coverage   67.07%   67.01%   -0.07%     
==========================================
  Files        1020     1020              
  Lines       88113    88113              
  Branches     2298     2298              
==========================================
- Hits        59104    59051      -53     
- Misses      24617    24658      +41     
- Partials     4392     4404      +12     

Flag	Coverage Δ
frontend	52.39% <100.00%> (ø)

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[lukeheath]

🙌